GB Group Holdings Limited

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
Metal reduction processes, metallurgical processes and products and...
- Patent number 8,518,146
- Issue date Aug 27, 2013
- GB Group Holdings Limited
- Bairong Li
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...